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Scientific American, Vol. 18, No. 23 (June 1868) (1868)

leaf 7

An illustration from Scientific American, Vol. 18, No. 23 (June 1868), 1868, leaf 7
nch. The holes tures, when written, are shorn of the peculiar charm and in- in these gages are made larger terest imparted to them by his inimitable manner. We pre- than those intended to be sent below a crude outline of the three last lectures of the punched in the sheets, and course, being the… … simple, effective, and practical machine. This improvement SEIFERTH'S GAGE PUNCHING MACHINE. was patented through the Scientific American Patent Agency, Nov. 12,1867, by Morris tween the vitrified sheet and the glass. The inconvenience third lecture. The text, as it were, for the evening's enter-…

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